Siemens SINAMICS PERFECT HARMONY GH180 - Page 494

Fault Display Type Enable Potential Causes and Corrective Actions
Loss All HEX Fans F/A SOP Cause
Drive initiated alarm/fault when the LossAllHexFan_O
SOP 󹪞ag is set true and the LossAllHexFanEn_O 󹪞ag is
true to enable it. The default is an alarm but it can be changed
to a fault by setting the LossAllHexFanWn_O 󹪞ag to False
(true is an alarm). This is used in the Standard SOP for water-
cooled drives as an alarm.
Action
1. Check physical input connected to SOP 󹪞ag.
2. Check sensor.
3. Check for faulty fan..
4. Check for obstruction.
All HEX Fans On A SOP Cause
Drive initiated alarm when the AllHexFansOn_O SOP 󹪞ag
is set true and the AllHexFansOnEn_O 󹪞ag is true to enable
it. The default is an alarm and it cannot be changed. This is
used in the Standard SOP for water-cooled drives as an alarm.
Action
1. Check physical input connected to SOP 󹪞ag.
2. Check sensor.
3. Check for faulty fan.
4. Check for obstruction.
Troubleshooting Faults and Alarms
11.13 Dedicated I/O for Input Protection
NXGPro+ Control Manual
492 Operating Manual, A5E50491925A